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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\User\TempUser; |
| 4 | |
| 5 | use BadMethodCallException; |
| 6 | use InvalidArgumentException; |
| 7 | use MediaWiki\Permissions\Authority; |
| 8 | use MediaWiki\Utils\MWTimestamp; |
| 9 | use Wikimedia\Rdbms\AndExpressionGroup; |
| 10 | use Wikimedia\Rdbms\IExpression; |
| 11 | use Wikimedia\Rdbms\IReadableDatabase; |
| 12 | use Wikimedia\Rdbms\OrExpressionGroup; |
| 13 | |
| 14 | /** |
| 15 | * The real TempUserConfig including internal methods used by TempUserCreator. |
| 16 | * |
| 17 | * @since 1.39 |
| 18 | */ |
| 19 | class RealTempUserConfig implements TempUserConfig { |
| 20 | /** @var bool */ |
| 21 | private $enabled = false; |
| 22 | |
| 23 | /** @var array */ |
| 24 | private $serialProviderConfig = []; |
| 25 | |
| 26 | /** @var array */ |
| 27 | private $serialMappingConfig = []; |
| 28 | |
| 29 | /** @var string[] */ |
| 30 | private $autoCreateActions; |
| 31 | |
| 32 | /** @var Pattern|null */ |
| 33 | private $genPattern; |
| 34 | |
| 35 | /** @var Pattern[]|null */ |
| 36 | private $matchPatterns; |
| 37 | |
| 38 | /** @var Pattern|null */ |
| 39 | private $reservedPattern; |
| 40 | |
| 41 | /** @var int|null */ |
| 42 | private $expireAfterDays; |
| 43 | |
| 44 | /** @var int|null */ |
| 45 | private $notifyBeforeExpirationDays; |
| 46 | |
| 47 | /** |
| 48 | * @param array $config See the documentation of $wgAutoCreateTempUser. |
| 49 | * - enabled: bool |
| 50 | * - actions: array |
| 51 | * - genPattern: string |
| 52 | * - matchPattern: string|string[], optional |
| 53 | * - reservedPattern: string, optional |
| 54 | * - serialProvider: array |
| 55 | * - serialMapping: array |
| 56 | * - expireAfterDays: int, optional |
| 57 | * - notifyBeforeExpirationDays: int, optional |
| 58 | */ |
| 59 | public function __construct( $config ) { |
| 60 | if ( $config['enabled'] ?? false ) { |
| 61 | $this->enabled = true; |
| 62 | $this->autoCreateActions = $config['actions']; |
| 63 | $this->genPattern = new Pattern( 'genPattern', $config['genPattern'] ); |
| 64 | if ( isset( $config['matchPattern'] ) ) { |
| 65 | $matchPatterns = $config['matchPattern']; |
| 66 | if ( !is_array( $config['matchPattern'] ) ) { |
| 67 | $matchPatterns = [ $matchPatterns ]; |
| 68 | } |
| 69 | foreach ( $matchPatterns as &$pattern ) { |
| 70 | $pattern = new Pattern( 'matchPattern', $pattern ); |
| 71 | } |
| 72 | $this->matchPatterns = $matchPatterns; |
| 73 | } else { |
| 74 | $this->matchPatterns = [ $this->genPattern ]; |
| 75 | } |
| 76 | $this->serialProviderConfig = $config['serialProvider']; |
| 77 | $this->serialMappingConfig = $config['serialMapping']; |
| 78 | $this->expireAfterDays = $config['expireAfterDays'] ?? null; |
| 79 | $this->notifyBeforeExpirationDays = $config['notifyBeforeExpirationDays'] ?? null; |
| 80 | } |
| 81 | if ( isset( $config['reservedPattern'] ) ) { |
| 82 | $this->reservedPattern = new Pattern( 'reservedPattern', $config['reservedPattern'] ); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | public function isEnabled() { |
| 87 | return $this->enabled; |
| 88 | } |
| 89 | |
| 90 | public function isAutoCreateAction( string $action ) { |
| 91 | if ( $action === 'create' ) { |
| 92 | $action = 'edit'; |
| 93 | } |
| 94 | return $this->isEnabled() |
| 95 | && in_array( $action, $this->autoCreateActions, true ); |
| 96 | } |
| 97 | |
| 98 | public function shouldAutoCreate( Authority $authority, string $action ) { |
| 99 | return $this->isAutoCreateAction( $action ) |
| 100 | && !$authority->isRegistered() |
| 101 | && $authority->isAllowed( 'createaccount' ); |
| 102 | } |
| 103 | |
| 104 | public function isTempName( string $name ) { |
| 105 | if ( !$this->isEnabled() ) { |
| 106 | return false; |
| 107 | } |
| 108 | foreach ( $this->matchPatterns as $pattern ) { |
| 109 | if ( $pattern->isMatch( $name ) ) { |
| 110 | return true; |
| 111 | } |
| 112 | } |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | public function isReservedName( string $name ) { |
| 117 | return $this->isTempName( $name ) || ( $this->reservedPattern && $this->reservedPattern->isMatch( $name ) ); |
| 118 | } |
| 119 | |
| 120 | public function getPlaceholderName(): string { |
| 121 | $year = null; |
| 122 | if ( $this->serialProviderConfig['useYear'] ?? false ) { |
| 123 | $year = MWTimestamp::getInstance()->format( 'Y' ); |
| 124 | } |
| 125 | if ( $this->isEnabled() ) { |
| 126 | return $this->genPattern->generate( '*', $year ); |
| 127 | } else { |
| 128 | throw new BadMethodCallException( __METHOD__ . ' is disabled' ); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | public function getMatchPattern(): Pattern { |
| 133 | wfDeprecated( __METHOD__, '1.42' ); |
| 134 | if ( $this->isEnabled() ) { |
| 135 | // This method is deprecated to allow time for callers to update. |
| 136 | // This method only returns one Pattern, so just return the first one. |
| 137 | return $this->getMatchPatterns()[0]; |
| 138 | } else { |
| 139 | throw new BadMethodCallException( __METHOD__ . ' is disabled' ); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | public function getMatchPatterns(): array { |
| 144 | if ( $this->isEnabled() ) { |
| 145 | return $this->matchPatterns; |
| 146 | } else { |
| 147 | throw new BadMethodCallException( __METHOD__ . ' is disabled' ); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | public function getMatchCondition( IReadableDatabase $db, string $field, string $op ): IExpression { |
| 152 | if ( $this->isEnabled() ) { |
| 153 | $exprs = []; |
| 154 | foreach ( $this->getMatchPatterns() as $pattern ) { |
| 155 | $exprs[] = $db->expr( $field, $op, $pattern->toLikeValue( $db ) ); |
| 156 | } |
| 157 | if ( count( $exprs ) === 1 ) { |
| 158 | return $exprs[0]; |
| 159 | } |
| 160 | if ( $op === IExpression::LIKE ) { |
| 161 | return new OrExpressionGroup( ...$exprs ); |
| 162 | } elseif ( $op === IExpression::NOT_LIKE ) { |
| 163 | return new AndExpressionGroup( ...$exprs ); |
| 164 | } else { |
| 165 | throw new InvalidArgumentException( "Invalid operator $op" ); |
| 166 | } |
| 167 | } else { |
| 168 | throw new BadMethodCallException( __METHOD__ . ' is disabled' ); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | public function getExpireAfterDays(): ?int { |
| 173 | return $this->expireAfterDays; |
| 174 | } |
| 175 | |
| 176 | public function getNotifyBeforeExpirationDays(): ?int { |
| 177 | return $this->notifyBeforeExpirationDays; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * @internal For TempUserCreator only |
| 182 | * @return Pattern |
| 183 | */ |
| 184 | public function getGeneratorPattern(): Pattern { |
| 185 | if ( $this->isEnabled() ) { |
| 186 | return $this->genPattern; |
| 187 | } else { |
| 188 | throw new BadMethodCallException( __METHOD__ . ' is disabled' ); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * @internal For TempUserCreator only |
| 194 | * @return array |
| 195 | */ |
| 196 | public function getSerialProviderConfig(): array { |
| 197 | return $this->serialProviderConfig; |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * @internal For TempUserCreator only |
| 202 | * @return array |
| 203 | */ |
| 204 | public function getSerialMappingConfig(): array { |
| 205 | return $this->serialMappingConfig; |
| 206 | } |
| 207 | } |